ESB Executive Team

There are nine members on the ESB Executive Team. The Executive team is responsible for the day-to-day operations of the ESB Group.

Team Members

Pat O'Doherty


Pat O'Doherty was appointed Chief Executive of ESB in 2011, and appointed to the ESB Board in 2013. Previous to this, he headed up each of ESB's main businesses as Executive Director ESB International, Managing Director ESB Networks Ltd. and Executive Director ESB Power Generation. Pat holds a primary and masters degree in Engineering from University College Dublin and completed the Advanced Management Programme at Harvard Business School. Pat is also a trustee of The Conference Board of the United States and is a director of Energy UK.

Jerry O’Sullivan


Jerry O’Sullivan was appointed ESB Deputy Chief Executive in October 2014. Prior to this, he was Managing Director ESB Networks Ltd. He joined ESB in 1981 and held a number of positions in Power Station Construction, Distribution and Transmission, Retail, Contracting, Marketing and Customer Service. He was appointed Head of Network Services in 2002 and Head of Sustainability and Network Systems in 2008. He holds a degree in Civil Engineering from University College Cork.

Jim Dollard


Jim Dollard was appointed to the position of Executive Director for Business Service Centre (BSC) and Electric Ireland in July 2013. Jim was previously the General Manager of Electric Ireland. An accountant, he began his career in ESB in 1992 and has held a number of senior management positions throughout the Group including Acting Group Financial Controller and Financial Controller ESB Energy International.


Pat Fenlon


Pat Fenlon took up the role of Group Finance Director in July 2016. He has held a number of senior financial and general management positions across ESB including General Manager of Electric Ireland, Corporate Change Manager and most recently as Group Finance and Commercial Manager. He is a fellow of the Institute of Chartered Accountants and previously worked with PriceWaterhouse Cooper in Dublin


John Redmond


John Redmond was appointed Company Secretary in 2002. He was previously Group Secretary and Senior Vice President Corporate Affairs of GPA Group plc. and subsequently Company Secretary of debis AirFinance BV and of the SEC registered Airplanes Limited. From 1980 to 1998 he worked in the Department of Foreign Affairs and the Department of Finance. He is a graduate of NUI Maynooth and holds postgraduate qualifications in Corporate Governance from Napier University Edinburgh and University College Dublin. He became a Fellow of the Institute of Chartered Secretaries in 1997.

Paddy Hayes


Paddy Hayes was appointed Executive Director, Generation and Wholesale Markets in June 2012. Previously, he held various senior management positions in ESB including Head of Independent Generation and Manager Energy Portfolio. Prior to joining ESB in 1999, Paddy worked in a number of roles with British Steel. He is a Chartered Engineer and holds a masters degree in Engineering from University College Dublin and MBA from the University of Warwick.

Paul Mulvaney


Paul Mulvaney was appointed Executive Director Innovation in October 2014. Paul joined ESB in 1985 and has held a number of senior management positions including Manager Great Island and Moneypoint Generation Stations, Group Manager Coal/Oil/Gas Stations, Asset Manager Power Generation and Programme Manager Corporate Change. He was appointed Managing Director of ecars in 2009 and Head of Distribution and Customer Service, ESB Networks Ltd. in 2012. Paul holds a degree in Mechanical Engineering and completed the Advanced Management Programme at the IESE Business School in the University of Navarra.

Pat Naughton


Pat Naughton was appointed Executive Director Group People and Sustainability in 2012. A mechanical engineer by profession, Pat has worked in a variety of roles since joining the company in 1978. He previously held senior positions as HR Manager for ESB Energy International, Manager Strategy and Portfolio Development, ESB Energy International, and Manager of Hydro Stations, ESB Power Generation.


Marguerite Sayers


Marguerite Sayers was appointed Managing Director ESB Networks Ltd. in November 2014. An electrical engineer by profession, she has 23 years experience working in various technical and managerial positions in ESB including ESB Networks of Customer Service, Manager for Dublin South and Head of Asset Management. She was also Generation Manager in Generation and Wholesale Markets. She has a degree in Electrical Engineering from University College Cork (UCC), a diploma in Accounting and Finance from University of Limerick and diploma in Project Management from UCC.